Automatic connecting device for underground mine car carriage of coal mine

By designing an automatic connection device for underground mine cars, an automatic connection is achieved through the cooperation of insertion and locking mechanisms. This solves the problems of low efficiency and safety hazards associated with traditional manual operation, and improves the stability and safety of the connection.

CN223658178UActive Publication Date: 2025-12-12HENAN POLYTECHNIC UNIV
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Patent Information

Application Number
CN202422901960.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-12-12
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

Traditional underground mine car connections rely on manual operation, which is inefficient and poses safety hazards. It is difficult to guarantee the stability and reliability of the connection, thus affecting production efficiency and operational safety.

Method used

Design an automatic connection device for underground coal mine cars. Through the cooperation of an insertion mechanism and a locking mechanism, the connector is connected to the insertion plate by an impact plate striking the spring top device, thus achieving automatic connection.

Benefits of technology

It enables automatic connection of mining cars, reduces the need for workers to operate in confined spaces, improves the stability and safety of the connection, and avoids the risks of manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coal mine underground mine car carriage automatic connecting device which comprises a car frame, a carriage is fixedly connected to the car frame, an inserting mechanism and a locking mechanism are fixedly connected to the two sides of the car frame, the inserting mechanism is used for being connected with the locking mechanism on the adjacent car frame, the inserting mechanism comprises a first mounting plate, and the first mounting plate is fixedly connected to the car frame. The locking mechanism comprises a second mounting plate, the second mounting plate is fixedly connected to the frame, an upper limiting plate and a lower limiting plate are fixedly connected to the second mounting plate, a connector is movably arranged on the upper limiting plate and used for being connected with the inserting plate, and the lower limiting plate is fixedly connected with the lower limiting plate. The second mounting plate is provided with an elastic jacking device which abuts against the connector. Automatic connection can be achieved, the risk of injury caused by manual operation in a narrow space is avoided, and the device is more convenient to use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mine car connecting technical field, in particular to a coal mine underground mine car carriage automatic connecting device. BACKGROUND

[0002] In the coal mine operation, the connection and separation of mine car are the key link of coal transportation. The traditional mine car connecting mode mainly relies on manual operation, which is not only inefficient, but also has safety hazards. Workers need to complete the hooking and unhooking actions in a small space, and a slight carelessness may cause accidents such as crushing and foot pressing. Moreover, manual operation is difficult to ensure the stability and reliability of the connection, and the mine car may derail or fall off the track during transportation, which seriously affects the production efficiency and operation safety.

[0003] Therefore, a coal mine underground mine car carriage automatic connecting device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a coal mine underground mine car carriage automatic connecting device to solve the problems existing in the prior art, reduce the operation of workers in a small space, and realize automatic connection.

[0005] To achieve the above purpose, the utility model provides the following scheme: the utility model provides a coal mine underground mine car carriage automatic connecting device, which comprises:

[0006] A car frame is fixedly connected with a carriage, and the two sides of the car frame are fixedly connected with an insertion mechanism and a locking mechanism. The insertion mechanism is used to connect with the locking mechanism on the adjacent car frame. The insertion mechanism comprises a first mounting plate fixedly connected to the car frame, and a plug plate movably connected to the first mounting plate. A striker plate is fixedly connected to the plug plate. The locking mechanism comprises a second mounting plate fixedly connected to the car frame, and an upper limiting plate and a lower limiting plate fixedly connected to the second mounting plate. A connector is movably arranged on the upper limiting plate and used to connect with the plug plate. A pop-up device is arranged on the second mounting plate and abuts against the connector.

[0007] Preferably, the pop-up device comprises a top plate, a groove is formed in the second mounting plate, the top plate is located in the groove, a plurality of first springs are fixedly connected between the top plate and the groove, and an avoiding groove is formed in the upper limiting plate and the lower limiting plate, the top plate is located in the avoiding groove, and the top plate abuts against the connector.

[0008] Preferably, the connector comprises a moving plate, a T-shaped pull rod is fixedly connected to the top surface of the moving plate, a positioning pin is fixedly connected to the bottom surface of the moving plate, a through hole is formed in the upper limiting plate and the lower limiting plate, the positioning pin is arranged in correspondence with the through hole, a connecting hole is formed in the plug-in plate, two fixed rods are fixedly connected to the upper limiting plate, a through hole is formed in the moving plate, the fixed rods are arranged in the through hole, and the top plate abuts against the moving plate.

[0009] Preferably, a fixed shaft is fixedly connected to the first mounting plate, a plurality of sleeves are fixedly connected to the plug-in plate, the fixed shaft is inserted into the sleeves, and the fixed shaft is rotatably connected with the sleeves.

[0010] Preferably, an upper guard plate and a lower guard plate are fixedly connected to the first mounting plate, the upper guard plate and the lower guard plate are respectively located on the two sides of the plug-in plate, a second spring is fixedly connected between the plug-in plate and the upper guard plate, and a third spring is fixedly connected between the plug-in plate and the lower guard plate.

[0011] Preferably, a fixed block is fixedly connected to the top end of the fixed rod, and the connecting hole is funnel-shaped near the upper end surface of the plug-in plate.

[0012] Preferably, a roller is mounted on the frame.

[0013] The utility model discloses the following technical effects: in the device, the carriage is used to load coal mine, and the insertion mechanism on one of the two adjacent frames is inserted into the locking mechanism on the other frame, which is used to connect the two adjacent frames, the plug-in plate is used to be inserted between the upper limiting plate and the lower limiting plate, the impact plate is used to impact the ejector, after the impact plate impacts the ejector, the ejector moves, which will make the connector connect with the plug-in plate, so that the two adjacent frames are connected together, and automatic connection is realized. The utility model discloses can realize automatic connection, avoid manual operation in the narrow space, and increase the risk of injury, and the device is more convenient to use. ACCURACY

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0015] Figure 1 It is the structure schematic view of the automatic connecting device for coal mine underground mine car carriage of the utility model,

[0016] Figure 2 It is Figure 1 It is the local enlarged schematic view of a in the middle

[0017] Figure 3 is a top view of the utility model;

[0018] Figure 4 is a top view of the upper limiting plate of the utility model;

[0019] Figure 5 is a top view of the plug-in plate of the utility model;

[0020] 1, frame; 2, carriage; 3, first mounting plate; 4, plug-in plate; 5, impact plate; 6, second mounting plate; 7, upper limiting plate; 8, lower limiting plate; 9, top plate; 10, groove; 11, first spring; 12, moving plate; 13, T-shaped pull rod; 14, positioning pin; 15, through hole; 16, connecting hole; 17, fixed rod; 18, fixed shaft; 19, sleeve; 20, upper guard plate; 21, lower guard plate; 22, second spring; 23, third spring; 24, fixed block; 25, roller. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, obvious and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0023] With reference to Figures 1-5 The utility model provides a kind of coal mine underground mine car carriage automatic connecting device, comprising:

[0024] Frame 1 is fixedly connected with carriage 2 on frame 1, and insertion mechanism and locking mechanism are fixedly connected on both sides of frame 1, insertion mechanism is used to connect with the locking mechanism on adjacent frame 1, and insertion mechanism includes first mounting plate 3, first mounting plate 3 is fixedly connected on frame 1, and plug-in plate 4 is movably connected on first mounting plate 3, impact plate 5 is fixedly connected on plug-in plate 4, locking mechanism includes second mounting plate 6, second mounting plate 6 is fixedly connected on frame 1, and upper limiting plate 7 and lower limiting plate 8 are fixedly connected on second mounting plate 6, connector is movably arranged on upper limiting plate 7, and connector is used to connect with plug-in plate 4, and ejector is arranged on second mounting plate 6, and ejector is abutted with connector.

[0025] The device, the car 2 is used for loading coal mine, between two adjacent car frames 1, one of the car frames 1 on the insertion mechanism is inserted into the locking mechanism on the other car frame 1, for connecting two adjacent car frames 1, the insertion plate 4 is used for inserting between the upper limiting plate 7 and the lower limiting plate 8, the impact plate 5 is used for impacting the ejector, after the impact plate 5 impacts the ejector, the ejector moves, which will make the connector connect with the insertion plate 4, so as to connect two adjacent car frames 1 together, realize automatic connection.

[0026] Further optimization scheme, the ejector includes a top plate 9, a recess 10 is formed in the second mounting plate 6, the top plate 9 is located in the recess 10, a plurality of first springs 11 are fixedly connected between the top plate 9 and the recess 10, the upper limiting plate 7 and the lower limiting plate 8 are both provided with an avoiding slot, the top plate 9 is located in the avoiding slot, and the top plate 9 is in abutment with the connector.

[0027] The top plate 9 is in the recess 10, the first spring 11 lifts the top plate 9, the top plate 9 enters the avoiding slot on the upper limiting plate 7 and the lower limiting plate 8, and the avoiding slot also limits the ejection range of the top plate 9. The top end of the top plate 9 is in abutment with the connector, and the length of the top plate 9 passes through the upper limiting plate 7 and the lower limiting plate 8.

[0028] Further optimization scheme, the connector includes a moving plate 12, the top surface of the moving plate 12 is fixedly connected with a T-shaped pull rod 13, the bottom surface of the moving plate 12 is fixedly connected with a positioning pin 14, the upper limiting plate 7 and the lower limiting plate 8 are both provided with a through hole 15, the positioning pin 14 is correspondingly arranged with the through hole 15, the insertion plate 4 is provided with a connecting hole 16, the upper limiting plate 7 is fixedly connected with two fixed rods 17, the moving plate 12 is provided with a through hole, the fixed rods 17 are arranged in the through hole, and the top plate 9 is in abutment with the moving plate 12.

[0029] The positioning pin 14 is used for being inserted into the through hole 15, the moving plate 12 can only move up and down under the action of the fixed rods 17, the top plate 9 is lifted under the action of the first spring 11, when the moving plate 12 is located at the top end of the top plate 9, the top plate 9 can enter below the moving plate 12 under the action of the first spring 11, so that the moving plate 12 is lifted by the top plate 9, when the impact plate 5 impacts the top plate 9, the top plate 9 moves into the recess 10 and does not support the moving plate 12, the moving plate 12 falls under the action of gravity, so that the positioning pin 14 enters the connecting hole 16, thereby connecting two adjacent car frames 1 together, when it is necessary to disconnect the two connected car frames 1, the T-shaped pull rod 13 can be lifted, after the T-shaped pull rod 13 is lifted, the top plate 9 is lifted below the moving plate 12 under the action of the first spring 11, thereby preventing the moving plate 12 from falling.

[0030] Further optimization scheme, the first mounting plate 3 is fixedly connected with a fixed shaft 18, a plurality of sleeve pipes 19 are fixedly connected on the insertion plate 4, the fixed shaft 18 is inserted into the sleeve pipe 19, and the fixed shaft 18 is rotatably connected with the sleeve pipe 19.

[0031] The connection of the rotating plug-in plate 4 on the frame 1 is facilitated by the connection of the fixed shaft 18 and the sleeve 19, so that two adjacent frames 1 can pass through a location with a certain slope.

[0032] In a further optimization, the first mounting plate 3 is fixedly connected with an upper guard plate 20 and a lower guard plate 21, the upper guard plate 20 and the lower guard plate 21 are respectively located on both sides of the plug-in plate 4, the plug-in plate 4 and the upper guard plate 20 are fixedly connected with a second spring 22, and the plug-in plate 4 and the lower guard plate 21 are fixedly connected with a third spring 23.

[0033] The upper guard plate 20 facilitates the installation of the second spring 22, the lower guard plate 21 facilitates the installation of the third spring 23, the second spring 22 and the third spring 23 can maintain the plug-in plate 4 in a flat state, and the plug-in plate 4 also has a certain angle of movement.

[0034] In a further optimization, the fixed rod 17 is fixedly connected with a fixed block 24 at the top end, and the connecting hole 16 is funnel-shaped near the upper end face of the plug-in plate 4.

[0035] The fixed block 24 prevents the moving plate 12 from being separated from the fixed rod 17, and the funnel shape facilitates the insertion of the positioning pin 14.

[0036] In a further optimization, the frame 1 is provided with a rolling wheel 25.

[0037] The rolling wheel 25 facilitates movement.

[0038] When two adjacent frames 1 need to be connected, the plug-in plate 4 of one of the frames 1 is inserted between the upper limiting plate 7 and the lower limiting plate 8, after the plug-in plate 4 is inserted between the upper limiting plate 7 and the lower limiting plate 8, the impact plate 5 impacts the top plate 9, the top plate 9 moves into the recess 10, the moving plate 12 is not supported, the moving plate 12 falls under the action of gravity, so that the positioning pin 14 enters the connecting hole 16, and the two adjacent frames 1 are connected together, when two connected frames 1 need to be disconnected, the T-shaped pull rod 13 can be lifted, after the T-shaped pull rod 13 is lifted, the top plate 9 is also lifted to the lower side of the moving plate 12 under the action of the first spring 11, so that the moving plate 12 is prevented from falling.

[0039] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0040] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. An automatic coupling device for coal mine underground mine car carriages, characterized in that, include: A frame (1) is fixedly connected to a carriage (2). An insertion mechanism and a locking mechanism are fixedly connected to both sides of the frame (1). The insertion mechanism is used to connect with the locking mechanism on the adjacent frame (1). The insertion mechanism includes a first mounting plate (3). The first mounting plate (3) is fixedly connected to the frame (1). An insert plate (4) is movably connected to the first mounting plate (3). An impact plate (5) is fixedly connected to the insert plate (4). The locking mechanism includes a second mounting plate (6). The second mounting plate (6) is fixedly connected to the frame (1). An upper limit plate (7) and a lower limit plate (8) are fixedly connected to the second mounting plate (6). A connector is movably provided on the upper limit plate (7). The connector is used to connect with the insert plate (4). A spring-loaded device is provided on the second mounting plate (6). The spring-loaded device abuts against the connector. The spring-loaded device includes a top plate (9), and a groove (10) is provided on the second mounting plate (6). The top plate (9) is located in the groove (10). A plurality of first springs (11) are fixedly connected between the top plate (9) and the groove (10). Both the upper limit plate (7) and the lower limit plate (8) are provided with clearance grooves. The top plate (9) is located in the clearance grooves. The top plate (9) abuts against the connector. The connector includes a movable plate (12), a T-shaped pull rod (13) is fixedly connected to the top surface of the movable plate (12), a positioning pin (14) is fixedly connected to the bottom surface of the movable plate (12), through holes (15) are provided on the upper limit plate (7) and the lower limit plate (8), the positioning pin (14) is correspondingly set with the through hole (15), a connecting hole (16) is provided on the insert plate (4), two fixing rods (17) are fixedly connected to the upper limit plate (7), a through hole is provided on the movable plate (12), the fixing rods (17) pass through the through hole, and the top plate (9) abuts against the movable plate (12).

2. The automatic coupling device for coal mine cars according to claim 1, characterized in that: A fixed shaft (18) is fixedly connected to the first mounting plate (3), and a plurality of sleeves (19) are fixedly connected to the insert plate (4). The fixed shaft (18) is inserted into the sleeve (19), and the fixed shaft (18) and the sleeve (19) are rotatably connected.

3. The automatic coupling device for coal mine cars according to claim 2, characterized in that: An upper guard plate (20) and a lower guard plate (21) are fixedly connected to the first mounting plate (3). The upper guard plate (20) and the lower guard plate (21) are located on both sides of the insert plate (4). A second spring (22) is fixedly connected between the insert plate (4) and the upper guard plate (20). A third spring (23) is fixedly connected between the insert plate (4) and the lower guard plate (21).

4. The automatic coupling device for coal mine cars according to claim 1, characterized in that: The top of the fixing rod (17) is fixedly connected to a fixing block (24), and the connecting hole (16) near the upper part of the insert plate (4) is funnel-shaped.

5. The automatic coupling device for coal mine cars according to claim 1, characterized in that: The frame (1) is equipped with rollers (25).